Chevy Chase Heights, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Chevy Chase Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain39%0.56″92°66°—
- SundayJul 5Drizzle86%0.02″87°68°-5°
- MondayJul 6Thunderstorm77%0.11″81°65°-6°
- TuesdayJul 7Overcast36%—80°62°-1°
- WednesdayJul 8Overcast10%—85°57°+5°
- ThursdayJul 9Light Drizzle42%—88°63°+3°
- FridayJul 10Drizzle55%—79°65°-9°
AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.98 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 33 now. With UV 3.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 33
- UV peak
- 3.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.98 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:11 PM
- Moonset
- 10:19 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Chevy Chase Heights at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Chevy Chase Heights
- Sat92°66°39%
- Sun87°68°86%
- Mon81°65°77%
- Tue80°62°36%
- Wed85°57°10%
- Thu88°63°42%
- Fri79°65°55%
- Sat81°66°41%
- Sun80°63°30%
- Mon73°60°19%
- Tue78°58°20%
- Wed84°64°29%
- Thu90°65°39%
- Fri90°67°46%
- Sat80°67°43%
- Sun85°64°43%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Chevy Chase Heights
SPC has placed Chevy Chase Heights in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Chevy Chase Heights
- 15701